The Abyss Rider

Old Bike Australasia - - OUT’N’ABOUT -

MARK WALKER, whose weird and won­der­ful cre­ations have been fea­tured from time to time in this mag­a­zine, has been busy again. The lat­est ma­chine to emerge from the Walker work­shop is what he calls The Abyss Rider; “for the fi­nal ride into the un­known”. This is a 200cc, eight cylin­der job with Mark’s trade­mark ro­tary valve head, with cast iron pis­tons run­ning in an alu­minium block. The crank is ma­chined from 50mm round bar, run­ning in five roller bear­ings, with al­loy con­rods, splash fed. The car­bu­re­tor dates from the 1920s and was orig­i­nally a ma­rine in­stru­ment, with a ‘70s mag­neto pro­vid­ing the sparks. The frame is con­structed from 50-year-old drain pipe, with ex­hausts from an early 125cc Honda twin and foot­pads from a wheel­chair. Wheels came from a boar trailer with a jockey sad­dle seat. Why? Please don’t ask, it just had to be done.

Mark Walker astride the Abyss Rider.

A bor­ing job.

Tak­ing shape.

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